9,235 results found
Case
Malignant small bowel obstruction - metastasis
![](https://prod-images-static.radiopaedia.org/images/56995870/eedbf24cf873afe5503ae6711eede4ab6e6d924a44b76d1744b4b20536b43675_thumb.jpeg)
Published
04 Feb 2022
70% complete
CT
Article
Congenital diaphragmatic hernia
Congenital diaphragmatic herniation (CDH) accounts for a small proportion of all diaphragmatic herniae. However, it is one of the most common non-cardiac fetal intrathoracic anomalies.
Epidemiology
Congenital diaphragmatic hernias are seen in 1 of every 2000-4000 live births. 84% are left-side...
Case
Primary peritoneal epithelioid mesothelioma
![](https://prod-images-static.radiopaedia.org/images/8582387/c350c3cd225b735ab6a9caecc6843f_thumb.jpg)
Published
09 Oct 2014
92% complete
CT
X-ray
Pathology
Ultrasound
Case
Colon cancer (ultrasound)
![](https://prod-images-static.radiopaedia.org/images/52586803/6b8df529fe00fd68ef17bccdc68d7b0b8d22978ef18c27f5e2260378cb542d85_thumb.jpeg)
Published
12 May 2020
81% complete
CT
Ultrasound
Case
Colocutaneous fistula
![](https://prod-images-static.radiopaedia.org/images/33633284/71c6e5e9255fa1d1f24cc2afc0ec57fee46579f447b1828d961704babf77ba11_thumb.jpeg)
Published
06 Nov 2017
80% complete
CT
Article
Northern exposure sign (sigmoid volvulus)
The northern exposure sign has been described as a high specificity sign in sigmoid volvulus. On a supine abdominal radiograph, the apex of the sigmoid volvulus is seen above (cranial to) the transverse colon.
Case
Primary non-Hodgkin lymphoma of the duodenum
![](https://prod-images-static.radiopaedia.org/images/55636899/330177_thumb.jpeg)
Published
07 Dec 2021
80% complete
CT
Case
Amyand hernia
![](https://prod-images-static.radiopaedia.org/images/57890245/79fded76136d27197cb9d7519d65cc9c9f6e0614c8c95424d62238a830dc3d37_thumb.jpeg)
Published
15 Apr 2022
92% complete
CT
Article
Crohn disease
Crohn disease, also known as regional enteritis, is an idiopathic inflammatory bowel disease characterised by widespread discontinuous gastrointestinal tract inflammation. The terminal ileum and proximal colon are most often affected. Extraintestinal disease is common.
Epidemiology
The diagnos...
Case
Duodenal diverticula
![](https://prod-images-static.radiopaedia.org/images/31138111/85ca46e90eb32be56b15a9e93925ed_thumb.jpeg)
Published
28 Jun 2017
64% complete
CT
Article
Hirschsprung disease
Hirschsprung disease is the most common cause of neonatal colonic obstruction (15-20%). It is commonly characterised by a short segment of colonic aganglionosis affecting term neonates, especially boys.
Epidemiology
Hirschsprung disease affects approximately 1:5000-8000 live births. In short-...
Case
Rectal cancer - T3
![](https://prod-images-static.radiopaedia.org/images/57038678/11._thumb.jpeg)
Published
24 Jan 2022
74% complete
MRI
Case
Acute colonic diverticulitis
![](https://prod-images-static.radiopaedia.org/images/63883599/b2a646dae2843470cfeff98c1ec03a357896c17a94dd21e661b263e5a305c556_thumb.jpeg)
Published
05 Nov 2023
73% complete
CT
Article
Gastrointestinal leiomyoma (overview)
Gastrointestinal leiomyomas are smooth muscle tumours without malignant potential that may develop in any part of the gastrointestinal system:
oesophageal leiomyoma
gastric leiomyoma
small bowel leiomyoma
colonic leiomyoma
Case
Caecal and ascending colon cancer
![](https://prod-images-static.radiopaedia.org/images/57039157/30._thumb.jpeg)
Published
30 Jan 2022
77% complete
CT
Article
Adrenal metastasis
Adrenal metastases are the most common malignant lesions involving the adrenal gland. Metastases are usually bilateral but may also be unilateral. Unilateral involvement is more prevalent on the left side (ratio of 1.5:1).
Epidemiology
They are present at autopsy in up to 27% of patients with ...
Case
Dextrocardia (situs inversus)
![](https://prod-images-static.radiopaedia.org/images/3368325/24f9975846e6369b147b322201a0d1_thumb.jpg)
Published
06 May 2013
72% complete
Annotated image
Case
Hirschsprung disease
![](https://prod-images-static.radiopaedia.org/images/878791/7ac0a5f5c10cbd426da76d1e3e9963_thumb.jpg)
Published
18 Apr 2011
63% complete
Fluoroscopy
X-ray
Case
Perianal fistula
![](https://prod-images-static.radiopaedia.org/images/59276509/8fb7c23e76f0045c7a7b6941576fee7930066e5a9ea43f47fb90f1b30efc24ff_thumb.jpeg)
Published
04 Aug 2022
75% complete
Fluoroscopy
Article
Retroperitoneal hydatid infection
Retroperitoneal hydatid infection refers to the presence of hydatid cyst in the retroperitoneal region of the abdomen.
For a general discussion, and for links to other system specific manifestations, please refer to the article on hydatid disease.
Pathology
It is generally seen secondary to ...